Interesting idea, but can those filters handle alcohol?
Water filters often have activated carbon to absorb bad taste form the water, that would also absorb the yummy non-polar chemicals including THC:
View attachment 492888
That water filter is awesome thanks so much for sharing just what I needed my water is not to bad but this will only improve it have not seen this in all my search's.
The 0.2 micro pharmaceutical filters are not my idea, I ain't that smart:
http://skunkpharmresearch.com/salvaging-moldy-material-2/